Magic System in a Parallel World - Chapter 198 Four Major Continents

What do you do when your brother dies because of some entitled assholes? You go undercover.My real name? Clare. But at school, I’m Clause—just another guy blending in. Disguised. Watching. Yes, a boy. No, it's not an all-boys school—I'm just deep undercover, hunting down the bastard responsible for my brother’s suicide. Nobody—and I mean nobody—messes with my precious brother and gets away with it. They better pray I never find them, because when I do? Death will be a mercy, and trust me—I don’t do mercy.And as for the egotistical Alpha and the narcissistic Vampire Prince? They can go fuck themselves. I don’t do mates, I don’t do claiming, and I sure as hell don’t do them.

As his contract-marriage wife, she just wanted to fulfill the mission given by his mother—having a baby. They didn't love each other, so he always used contraception before they got laid. She had been obedient to him, only to find that he had gone too far! He actually didn't care about their child at all! She couldn't stand it anymore, so she handed him the divorce papers and left, noting: “The world is so huge that I can surely find a better man.”Looking down at her, he retorted, “Come on, your purse strings will tighten up first before you find anyone.”

One day, Luo Jian woke up from his sleep and found himself in a locked chamber where the door and window were all sealed. A note with a few lines written on it was tacked to the wall: “Escape from this room within an hour, otherwise, you will die.”

There is a sequel called Reincarnation Night (轮回之夜) that takes place in the same universe but has different main characters

- Description from Novelupdates

The suicide of a high school girl following the rejection of her crush whom she confessed to roused the soul of a Scorpio Planet Marshal from her 200 million years of slumber — she reincarnated into the body of Xuan Mo. And so, she decided to live on Earth on behalf of the girl! However, it was quite the miserable situation for an alien to own two different sets of memories. She had to use her peculiar mental power to peep into the previous owner’s memories regarding everyday, mundane matters while trying to rein in her cutting aura pretending to be a normal human…

But her shocking performance during military training definitely must have floored everyone. Okay fine, her incredible finesse aside, what’s with the consecutive bullseye for every single round during their shooting competition? Was this something a normal female student is able to achieve? Shouldn’t you explain yourself a little damnit! And what’s with the multiple grade jumps, and being contended for by the various prestigious universities? What kinda havoc you try’na wreck with your low-key flaunting? I mean it’s a good thing she’s caught the eye of a special organisation and was entrusted with important tasks, but what’s with all aloof rule-breaking gameplay? She’s practically the walking definition of “hated by even the gods”.

What’s even stranger was that Xuan Mo’s only ever interested in warring matters and battling; she’ll only ever pay her ferociously blooming blossom luck as much heed as she minds the passing cloud with the mindset of crossing the bridge when she reaches it (wipes sweat) and can you be less insensitive when handling the various Earthlings’ endless crushing and eye-candying you?!

This all screeches to a halt however when she discovers the existence of someone else from her home-planet, so she’ll be needing a raincheck with the getting a “spouse” part of mortal life on the Blue Planet. Of course, we’re discussing this on the premise that she wanted to return home…

- Description from Novelupdates